package cn.tedu.xctf.boot21.controller;


import cn.tedu.xctf.boot21.Mapper.ProductMapper;
import cn.tedu.xctf.boot21.entity.Product;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

//@RestController 相当于controller注解的细化,在每个方法上都加了@ResponseBody注解
@RestController
public class ProductController {

    @Autowired//自动装配注解
    ProductMapper mapper;

    @RequestMapping("/insert")
    public String insert(Product product){
        System.out.println("product="+product);
        mapper.insert(product);
        return "添加成功";
    }

    @RequestMapping("/select")
    public String select(){
        List<Product> list = mapper.select();
        String html = "<table border='2'>";
        html += "<caption>商品列表</caption>";
        html +="<tr><th>id</th><th>标题</th><th>价格</th><th>库存</th><th>操作</th></tr>";
        for(Product p:list){
        html +="<tr>";
        html +="<td>"+p.getId()+"</td>";
        html +="<td>"+p.getTitle()+"</td>";
        html +="<td>"+p.getPrice()+"</td>";
        html +="<td>"+p.getNum()+"</td>";
        html += "<td><a href='/delete?id="+p.getId()+"'>删除</a></th>";
        html +="</tr>";
        }
       html += "</table>";
        return html;
    }

    @RequestMapping("/delete")
    public  String dalete(int id){
        mapper.deleteById(id);
        return "删除成功!<a href='/select'>返回列表页面</a>";
    }
@RequestMapping("/update")
    public String update(Product product){
        mapper.update(product);
        return "修改成功!<a href='/select'>返回列表页面</a>";
}
}